Waste Water Engineering If the depletion of oxygen is found to be 5 ppm after incubating a 2.5% solution of sewage sample for 5 days at 21°C, B.O.D. of the sewage is 100 ppm 50 ppm 200 ppm 150 ppm 100 ppm 50 ppm 200 ppm 150 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Pathogens (or pathogenic bacterias) in water may cause Cholera Dysentery Typhoid All listed here Cholera Dysentery Typhoid All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering With self cleansing velocity in sewers Scouring occurs at bottom Both silting and scouring occur at bottom Neither silting nor scouring occurs at bottom Silting occurs at bottom Scouring occurs at bottom Both silting and scouring occur at bottom Neither silting nor scouring occurs at bottom Silting occurs at bottom ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering During purification process of sewage the gas given off, is Carbon dioxide Hydrogen Ammonia All listed here Carbon dioxide Hydrogen Ammonia All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The average temperature of sewage in India, is 10°C 15°C 20°C 25°C 10°C 15°C 20°C 25°C ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering During preliminary treatment of a sewage Girt and sand are removed by girt chambers Oil and grease are removed from skimming tanks Floating materials are removed by screening All listed here Girt and sand are removed by girt chambers Oil and grease are removed from skimming tanks Floating materials are removed by screening All listed here ANSWER DOWNLOAD EXAMIANS APP
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